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1F748 — NUT,PLAIN,WELDING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1F748: NUT,PLAIN,WELDING.

The NUT,PLAIN,WELDING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN WELDING, thread_class: 2B, nut_thickness: 0.375 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-445-4632, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1F748
NSN: 5310-00-445-4632
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN WELDING
thread_class2B
nut_thickness0.375 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.500 INCHES IN
width_across_corners1.000 INCHES NOMINAL IN
thread_quantity_per_inch13
NSN5310-00-445-4632
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1F748 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT THICKNESS: 0.375 INCHES NOMINAL IN
•
NUT STYLE: PLAIN WELDING
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 13
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT THICKNESS0.375 INCHES NOMINAL IN
NUT STYLEPLAIN WELDING
THREAD CLASS2B
THREAD QUANTITY PER INCH13
MATERIALSTEEL OVERALL
WIDTH ACROSS CORNERS1.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
1F0748Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1F748?
1F748 is a NUT,PLAIN,WELDING.
What parts can replace 1F748?
There is 1 known substitute for 1F748: 1F0748. Substitute compatibility should be verified for your specific system.
What is the NSN for 1F748?
1F748 is cataloged in the U.S. Government catalog under NSN 5310-00-445-4632. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.